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  • *Neovascularization, Physiologic  (2)
  • *Gene Expression Regulation, Developmental  (1)
  • Nature Publishing Group (NPG)  (3)
  • 1
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    HIF-independent regulation of VEGF and angiogenesis by the transcriptional coactivator PGC-1alpha (2008)
    Nature Publishing Group (NPG)
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    Publication Date: 2008-02-22
    Description: Ischaemia of the heart, brain and limbs is a leading cause of morbidity and mortality worldwide. Hypoxia stimulates the secretion of vascular endothelial growth factor (VEGF) and other angiogenic factors, leading to neovascularization and protection against ischaemic injury. Here we show that the transcriptional coactivator PGC-1alpha (peroxisome-proliferator-activated receptor-gamma coactivator-1alpha), a potent metabolic sensor and regulator, is induced by a lack of nutrients and oxygen, and PGC-1alpha powerfully regulates VEGF expression and angiogenesis in cultured muscle cells and skeletal muscle in vivo. PGC-1alpha-/- mice show a striking failure to reconstitute blood flow in a normal manner to the limb after an ischaemic insult, whereas transgenic expression of PGC-1alpha in skeletal muscle is protective. Surprisingly, the induction of VEGF by PGC-1alpha does not involve the canonical hypoxia response pathway and hypoxia inducible factor (HIF). Instead, PGC-1alpha coactivates the orphan nuclear receptor ERR-alpha (oestrogen-related receptor-alpha) on conserved binding sites found in the promoter and in a cluster within the first intron of the VEGF gene. Thus, PGC-1alpha and ERR-alpha, major regulators of mitochondrial function in response to exercise and other stimuli, also control a novel angiogenic pathway that delivers needed oxygen and substrates. PGC-1alpha may provide a novel therapeutic target for treating ischaemic diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arany, Zoltan -- Foo, Shi-Yin -- Ma, Yanhong -- Ruas, Jorge L -- Bommi-Reddy, Archana -- Girnun, Geoffrey -- Cooper, Marcus -- Laznik, Dina -- Chinsomboon, Jessica -- Rangwala, Shamina M -- Baek, Kwan Hyuck -- Rosenzweig, Anthony -- Spiegelman, Bruce M -- P30 DK040561/DK/NIDDK NIH HHS/ -- P30 DK040561-12/DK/NIDDK NIH HHS/ -- R01 DK054477/DK/NIDDK NIH HHS/ -- England -- Nature. 2008 Feb 21;451(7181):1008-12. doi: 10.1038/nature06613.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Dana-Farber Cancer Institute and Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, USA. zarany1@partners.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18288196" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Hypoxia ; Cells, Cultured ; Gene Expression Regulation ; Hypoxia-Inducible Factor 1/metabolism ; Ischemia/*metabolism ; Mice ; Mice, Transgenic ; Muscle, Skeletal/metabolism ; *Neovascularization, Physiologic ; Oxygen/metabolism ; Receptors, Estrogen/metabolism ; Trans-Activators/deficiency/genetics/*metabolism ; Transcription Factors ; Transgenes/genetics ; Vascular Endothelial Growth Factor A/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 2
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    Metabolism: Sweet enticements to move (2013)
    Nature Publishing Group (NPG)
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    Publication Date: 2013-08-16
    Description: 〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4554390/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4554390/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jang, Cholsoon -- Arany, Zoltan -- R01 HL094499/HL/NHLBI NIH HHS/ -- England -- Nature. 2013 Aug 22;500(7463):409-11. doi: 10.1038/nature12549. Epub 2013 Aug 14.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23945589" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Endothelial Cells/*metabolism ; Female ; *Glycolysis ; Humans ; Male ; *Neovascularization, Physiologic ; Phosphofructokinase-2/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 3
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    Transcriptional control of preadipocyte determination by Zfp423 (2010)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2010-03-05
    Description: The worldwide epidemic of obesity has increased the urgency to develop a deeper understanding of physiological systems related to energy balance and energy storage, including the mechanisms controlling the development of fat cells (adipocytes). The differentiation of committed preadipocytes to adipocytes is controlled by PPARgamma and several other transcription factors, but the molecular basis for preadipocyte determination is not understood. Using a new method for the quantitative analysis of transcriptional components, we identified the zinc-finger protein Zfp423 as a factor enriched in preadipose versus non-preadipose fibroblasts. Ectopic expression of Zfp423 in non-adipogenic NIH 3T3 fibroblasts robustly activates expression of Pparg in undifferentiated cells and permits cells to undergo adipocyte differentiation under permissive conditions. Short hairpin RNA (shRNA)-mediated reduction of Zfp423 expression in 3T3-L1 cells blunts preadipocyte Pparg expression and diminishes the ability of these cells to differentiate. Furthermore, both brown and white adipocyte differentiation is markedly impaired in Zfp423-deficient mouse embryos. Zfp423 regulates Pparg expression, in part, through amplification of the BMP signalling pathway, an effect dependent on the SMAD-binding capacity of Zfp423. This study identifies Zfp423 as a transcriptional regulator of preadipocyte determination.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2845731/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2845731/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gupta, Rana K -- Arany, Zoltan -- Seale, Patrick -- Mepani, Rina J -- Ye, Li -- Conroe, Heather M -- Roby, Yang A -- Kulaga, Heather -- Reed, Randall R -- Spiegelman, Bruce M -- DK081605/DK/NIDDK NIH HHS/ -- DK31405/DK/NIDDK NIH HHS/ -- F32 DK079507/DK/NIDDK NIH HHS/ -- F32 DK079507-01/DK/NIDDK NIH HHS/ -- F32 DK079507-02/DK/NIDDK NIH HHS/ -- K08 HL79172-01/HL/NHLBI NIH HHS/ -- K99 DK081605/DK/NIDDK NIH HHS/ -- P30 DK040561/DK/NIDDK NIH HHS/ -- P30 DK040561-14/DK/NIDDK NIH HHS/ -- R01 DC008295/DC/NIDCD NIH HHS/ -- R01 DC008295-04/DC/NIDCD NIH HHS/ -- R01DC008295/DC/NIDCD NIH HHS/ -- England -- Nature. 2010 Mar 25;464(7288):619-23. doi: 10.1038/nature08816. Epub 2010 Mar 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cancer Biology and Division of Metabolism and Chronic Disease, Dana-Farber Cancer Institute and Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20200519" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/*cytology ; Animals ; *Cell Differentiation ; DNA-Binding Proteins/*metabolism ; Female ; *Gene Expression Regulation, Developmental ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; NIH 3T3 Cells ; PPAR gamma/metabolism ; Protein Structure, Tertiary ; Smad Proteins/metabolism ; Transcription Factors/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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